Re: Re: ZopeUndo.Prefix is still used

On Mon, Aug 15, 2016 at 1:03 AM, Maurits van Rees <
[email protected]> wrote:

> Op 14/08/16 om 15:04 schreef Hanno Schlichting:
>
>> Hi again.
>>
>> Looking into this a bit more, I changed the Zope2 code on master and
>> dropped the ZopeUndo dependency.
>>
>> Undo management in Zope2 is now available in its ZMI control panel on
>> each configured database object, instead of contextually on ZMI folders.
>>
>
> I *do* consider it handy if I can go to the ZMI on the Plone Site level
> and have an Undo tab there.  Depending on how you have setup your web
> server (nginx/Apache), you may not even be able to get to the Zope root
> without resorting to tricks like ssh port forwarding.
>

Your hosting arrangement adds another wrinkle, too.  Adding a path in a
transaction note always presumes that you are using the same virtual host,
because of the way Zope2's VirtualHostMonster works.  I end up jumping
through hoops of constructing paths simulating one of my canonical URLs in
cron jobs, and then can only access path-specific undo ZMI using just that
URL.

In the end, when I undo in ZMI, it is from the application root half the
time.  I have ZMI manage_* URLs blocked by nginx on the primary hostnames
used by my sites; using SSH port forwarding or my alternate administrative
URL, I cannot Undo by path anyway, for the /VirtualHostBase/* prefix
reasons described above.

For Plone, I am working out ways to have higher-level restore functionality
presenting some users restore/undelete functionality to make Undo-by-path
in ZMI less needed; this would present a nice user interface around use of
zc.beforestorage under the hood.  I intend to write a PLIP and prototype
for this sometime this fall -- see some discussion here:

https://github.com/plone/Products.CMFPlone/issues/818#issuecomment-213573761

If we can have such higher-level facilities in the application for
restoration (un-delete, or restore previous) by path, then
path-specific-enumeration of transactions that can be undone seems like
less of a need -- making transaction Undo by administrator something done
in the ZMI at the application root, as a mechanism of last resort?

Sean

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